/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.skills.funcs;

import net.sf.l2j.gameserver.skills.Env;

/**
 * @author mkizub
 *
 */
public final class LambdaCalc extends Lambda
{
	public Func[] _funcs;
	public LambdaCalc()
	{
		_funcs = new Func[0];
	}
	@Override
	public double calc(Env env)
    {
		double saveValue = env.value;
		try
		{
			env.value = 0;
			for (Func f : _funcs)
				f.calc(env);
			return env.value;
		}
		finally
		{
			env.value = saveValue;
		}
	}
	public void addFunc(Func f)
	{
		int len = _funcs.length;
		Func[] tmp = new Func[len+1];
		for (int i=0; i < len; i++)
			tmp[i] = _funcs[i];
		tmp[len] = f;
		_funcs = tmp;
	}
}